background music android

 MediaPlayer mediaPlayer;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        //To play background sound
        if (getInt("Sound", 0) == 0) {
            mediaPlayer = MediaPlayer.create(this, R.raw.abc);
            mediaPlayer.start();
            mediaPlayer.setLooping(true);
        }
    }

Read More

login page ui design

https://www.youtube.com/watch?v=8PdYiQNYqr8     code and design
activity_main

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
   xmlns:app="http://schemas.android.com/apk/res-auto"
   xmlns:tools="http://schemas.android.com/tools"
   android:layout_width="match_parent"
   android:layout_height="match_parent"
   tools:context="com.example.user.loginapp.MainActivity"
   android:background="#fff"
   android:orientation="vertical">



   <RelativeLayout
       android:layout_width="match_parent"
       android:layout_height="370dp">


       <LinearLayout
           android:layout_width="match_parent"
           android:layout_height="320dp"
           android:background="@drawable/bg"
           android:padding="20dp"
           android:orientation="vertical">


           <RelativeLayout
               android:layout_width="match_parent"
               android:layout_height="wrap_content">

               <Button
                   android:layout_width="45dp"
                   android:layout_height="47dp"
                   android:background="@drawable/menu"
                   android:layout_alignParentLeft="true"/>

               <Button
                   android:layout_width="45dp"
                   android:layout_height="47dp"
                   android:background="@drawable/logo"
                   android:layout_alignParentRight="true"/>

           </RelativeLayout><!--Menu-->


           <LinearLayout
               android:layout_width="match_parent"
               android:layout_height="wrap_content"
               android:gravity="center"
               android:orientation="vertical">

               <TextView
                   android:layout_width="wrap_content"
                   android:layout_height="wrap_content"
                   android:text="LOGIN"
                   android:textStyle="bold"
                   android:textSize="24dp"
                   android:layout_marginTop="10dp"
                   android:textColor="#fff"/>

               <EditText
                   android:layout_width="220dp"
                   android:layout_height="wrap_content"
                   android:hint="username"
                   android:gravity="center"
                   android:background="@drawable/inp_rou"
                   android:padding="8dp"
                   android:textColorHint="#626262"
                   android:layout_marginTop="10dp"/>

               <EditText
                   android:layout_width="220dp"
                   android:layout_height="wrap_content"
                   android:hint="password"
                   android:gravity="center"
                   android:background="@drawable/inp_rou"
                   android:padding="8dp"
                   android:textColorHint="#626262"
                   android:layout_marginTop="15dp"/>

               <Button
                   android:layout_width="90dp"
                   android:layout_height="40dp"
                   android:hint="Go !"
                   android:textSize="22dp"
                   android:textColorHint="#fff"
                   android:background="@drawable/go_btn"
                   android:layout_marginTop="15dp"/>

           </LinearLayout>



       </LinearLayout><!--Menu and login-->


       <RelativeLayout
           android:layout_width="match_parent"
           android:layout_height="wrap_content"
           android:gravity="center">

           <ImageView
               android:layout_width="80dp"
               android:layout_height="80dp"
               android:background="@drawable/roundbtn"
               android:layout_marginTop="290dp"/>

       </RelativeLayout>



   </RelativeLayout><!--Top content-->



   <LinearLayout
       android:layout_width="match_parent"
       android:layout_height="wrap_content"
       android:orientation="vertical"
       android:gravity="center">

       <Button
           android:layout_width="280dp"
           android:layout_height="wrap_content"
           android:hint="Login with facebook"
           android:background="@drawable/fb_btn"
           android:textColorHint="#fff"
           android:textSize="16dp"
           android:layout_marginTop="15dp"
           android:drawableStart="@drawable/fb"
           android:paddingLeft="20dp"/>

       <Button
           android:layout_width="280dp"
           android:layout_height="wrap_content"
           android:hint="Login with Twitter"
           android:background="@drawable/tw_btn"
           android:textColorHint="#fff"
           android:textSize="16dp"
           android:layout_marginTop="15dp"
           android:drawableStart="@drawable/tw"
           android:paddingLeft="20dp"/>

       <Button
           android:layout_width="280dp"
           android:layout_height="wrap_content"
           android:padding="6dp"
           android:hint="Create An Account"
           android:background="@null"
           android:textColorHint="#656565"
           android:textSize="16dp"
           android:layout_marginTop="15dp"/>


   </LinearLayout>


   <TableRow
       android:layout_height="1dp"
       android:layout_width="300dp"
       android:layout_gravity="center_horizontal"
       android:orientation="vertical"
       android:background="#656565"
       android:layout_marginTop="15dp"></TableRow>


   <LinearLayout
       android:layout_width="wrap_content"
       android:layout_height="wrap_content"
       android:orientation="horizontal"
       android:layout_gravity="center"
       android:layout_marginTop="10dp">

       <Button
           android:layout_width="wrap_content"
           android:layout_height="wrap_content"
           android:hint="ABOUT"
           android:textColorHint="#656565"
           android:background="@null"/>

       <Button
           android:layout_width="wrap_content"
           android:layout_height="wrap_content"
           android:hint="CONTACT"
           android:textColorHint="#656565"
           android:background="@null"/>


   </LinearLayout>



</LinearLayout>







Fb button
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android">

   <solid android:color="@color/colorfacebok"></solid>
   <corners android:radius="6dp"></corners>

</shape>

Tw button
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android">

   <solid android:color="@color/colorTwitter"></solid>
   <corners android:radius="6dp"></corners>

</shape>

Go_btn

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android">

   <stroke android:color="#fff" android:width="2dp"></stroke>
   <corners android:radius="6dp"></corners>

</shape>

Inp_round

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android">

   <solid android:color="#fff"></solid>
   <corners android:radius="6dp"></corners>

</shape>

Read More

uber type clone index

https://www.youtube.com/channel/UCIHBIPape0dWHKANkivrcJw   coding cafe

1. splash screen 

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Read More

uber cab clone android tutorials splash screen

package lovelycabs.lovelycabs;

import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;

public class splash extends AppCompatActivity {

    @Override    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_splash);
        Thread thread = new Thread() {
            public void run() {
                try {
                    sleep(5000);
                } catch (Exception e)

                {
                    e.printStackTrace();
                } finally {
                    Intent intent = new Intent(getApplicationContext(), MainActivity.class);
                    startActivity(intent);
                    finish();
                }
            }
        };
        thread.start();
    }
}

Read More

floating action with share option

1. 1xml 

  <android.support.design.widget.FloatingActionButton

        android:id="@+id/fab"

        android:layout_width="170dp"

        android:layout_height="wrap_content"

        android:layout_alignParentBottom="true"

        android:layout_alignParentEnd="true"

        android:layout_marginBottom="19dp"

        android:layout_marginEnd="25dp"

        android:clickable="true"

        app:fabSize="normal"

        app:srcCompat="@drawable/share" />   

 implementation 'com.android.support:design:27.0.0'

1. 2

floatButton = (ImageButton) findViewById(R.id.fab);

        floatButton.setOnClickListener(new View.OnClickListener() {

            @Override

            public void onClick(View v) {

                Intent i = new Intent(Intent.ACTION_SEND);

                i.setType("text/plain");

                String shareBody="Downdload Love percentage calculator Here https://play.google.com/store/apps/details?id=lovecalculator.lovecalculator";

                String shareSub="Downdload Love percentage calculator Here https://play.google.com/store/apps/details?id=lovecalculator.lovecalculator";

                i.putExtra(Intent.EXTRA_SUBJECT,shareBody);

                i.putExtra(Intent.EXTRA_TEXT,shareSub);

                startActivity(Intent.createChooser(i,"SHARE USING"));

            }

        });

1. 3

Read More

TO DO APP TUTOTIAL

1. DB HELPER 

package com.todo.raj.todo;

import android.content.ContentValues;

import android.content.Context;

import android.database.Cursor;

import android.database.sqlite.SQLiteDatabase;

import android.database.sqlite.SQLiteOpenHelper;

import java.util.ArrayList;

public class DbHelper extends SQLiteOpenHelper {

    private static final String DB_NAME="VirajToDo";

    private static final int DB_VER = 1;

    public static final String DB_TABLE="Task";

    public static final String DB_COLUMN = "TaskName";

    public DbHelper(Context context) {

        super(context, DB_NAME, null, DB_VER);

    }

    @Override

    public void onCreate(SQLiteDatabase db) {

        String query = String.format("CREATE TABLE %s (ID INTEGER PRIMARY KEY AUTOINCREMENT,%s TEXT NOT NULL);",DB_TABLE,DB_COLUMN);

        db.execSQL(query);

    }

    @Override

    public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {

        String query = String.format("DELETE TABLE IF EXISTS %s",DB_TABLE);

        db.execSQL(query);

        onCreate(db);

    }

    public void insertNewTask(String task){

        SQLiteDatabase db= this.getWritableDatabase();

        ContentValues values = new ContentValues();

        values.put(DB_COLUMN,task);

        db.insertWithOnConflict(DB_TABLE,null,values,SQLiteDatabase.CONFLICT_REPLACE);

        db.close();

    }

    public void deleteTask(String task){

        SQLiteDatabase db = this.getWritableDatabase();

        db.delete(DB_TABLE,DB_COLUMN + " = ?",new String[]{task});

        db.close();

    }

    public ArrayList<String> getTaskList(){

        ArrayList<String> taskList = new ArrayList<>();

        SQLiteDatabase db = this.getReadableDatabase();

        Cursor cursor = db.query(DB_TABLE,new String[]{DB_COLUMN},null,null,null,null,null);

        while(cursor.moveToNext()){

            int index = cursor.getColumnIndex(DB_COLUMN);

            taskList.add(cursor.getString(index));

        }

        cursor.close();

        db.close();

        return taskList;

    }

}

1. 2MAIN ACTIVITY 

package com.todo.raj.todo;

import android.content.DialogInterface;

import android.graphics.PorterDuff;

import android.graphics.drawable.Drawable;

import android.os.Bundle;

import android.support.design.widget.FloatingActionButton;

import android.support.design.widget.Snackbar;

import android.support.v7.app.AlertDialog;

import android.support.v7.app.AppCompatActivity;

import android.support.v7.widget.Toolbar;

import android.util.Log;

import android.view.View;

import android.view.Menu;

import android.view.MenuItem;

import android.widget.ArrayAdapter;

import android.widget.EditText;

import android.widget.ListView;

import android.widget.TextView;

import java.util.ArrayList;

public class MainActivity extends AppCompatActivity {

    DbHelper dbHelper;

    ArrayAdapter<String> mAdapter;

    ListView lstTask;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

        dbHelper = new DbHelper(this);

        lstTask = (ListView)findViewById(R.id.lstTask);

        loadTaskList();

        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);

        setSupportActionBar(toolbar);

/*

        FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);

        fab.setOnClickListener(new View.OnClickListener() {

            @Override

            public void onClick(View view) {

//                Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG)

//                        .setAction("Action", null).show();

            }

        });*/

    }

    private void loadTaskList() {

        ArrayList<String> taskList = dbHelper.getTaskList();

        if(mAdapter==null){

            mAdapter = new ArrayAdapter<String>(this,R.layout.row,R.id.task_title,taskList);

            lstTask.setAdapter(mAdapter);

        }

        else{

            mAdapter.clear();

            mAdapter.addAll(taskList);

            mAdapter.notifyDataSetChanged();

        }

    }

    @Override

    public boolean onCreateOptionsMenu(Menu menu) {

        // Inflate the menu; this adds items to the action bar if it is present.

        getMenuInflater().inflate(R.menu.menu_main, menu);

        //Change menu icon color

        Drawable icon = menu.getItem(0).getIcon();

        icon.mutate();

        icon.setColorFilter(getResources().getColor(android.R.color.white), PorterDuff.Mode.SRC_IN);

        return true;

    }

    @Override

    public boolean onOptionsItemSelected(MenuItem item) {

        // Handle action bar item clicks here. The action bar will

        // automatically handle clicks on the Home/Up button, so long

        // as you specify a parent activity in AndroidManifest.xml.

        switch (item.getItemId()){

            case R.id.action_add_task:

                final EditText taskEditText = new EditText(this);

                AlertDialog dialog = new AlertDialog.Builder(this)

                        .setTitle("Add New Task")

                        .setMessage("What do you want to do next?")

                        .setView(taskEditText)

                        .setPositiveButton("Add", new DialogInterface.OnClickListener() {

                            @Override

                            public void onClick(DialogInterface dialog, int which) {

                                String task = String.valueOf(taskEditText.getText());

                                dbHelper.insertNewTask(task);

                                loadTaskList();

                            }

                        })

                        .setNegativeButton("Cancel",null)

                        .create();

                dialog.show();

                return true;

        }

        return super.onOptionsItemSelected(item);

    }

    public void deleteTask(View view){

        View parent = (View)view.getParent();

        TextView taskTextView = (TextView)parent.findViewById(R.id.task_title);

        Log.e("String", (String) taskTextView.getText());

        String task = String.valueOf(taskTextView.getText());

        dbHelper.deleteTask(task);

        loadTaskList();

    }

}

1. 3MAIN ACTIVITY XML 

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    xmlns:app="http://schemas.android.com/apk/res-auto"

    xmlns:tools="http://schemas.android.com/tools"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    app:layout_behavior="@string/appbar_scrolling_view_behavior"

    tools:context=".MainActivity"

    tools:showIn="@layout/activity_main">

    <ListView

        android:id="@+id/lstTask"

    android:layout_width="match_parent"

    android:layout_height="match_parent"></ListView>

</LinearLayout>

1. 4ROW.XML

<?xml version="1.0" encoding="utf-8"?>

<android.support.constraint.ConstraintLayout

    xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent"

    android:layout_height="match_parent">

    <RelativeLayout

        android:layout_width="match_parent"

        android:layout_height="match_parent">

        <TextView

            android:id="@+id/task_title"

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:layout_alignParentLeft="true"

            android:layout_alignParentStart="true"

            android:text="Example"

            android:textSize="20sp" />

        <Button

            android:id="@+id/btnDelete"

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:layout_alignParentEnd="true"

            android:layout_alignParentRight="true"

            android:onClick="deleteTask"

            android:text="DELETE" />

    </RelativeLayout>

</android.support.constraint.ConstraintLayout>

1. 5MENU_MAIN.XML

<menu xmlns:android="http://schemas.android.com/apk/res/android"

    xmlns:app="http://schemas.android.com/apk/res-auto"

    xmlns:tools="http://schemas.android.com/tools"

    tools:context="com.todo.raj.todo.MainActivity">

   <!-- <item

        android:id="@+id/action_settings"

        android:orderInCategory="100"

        android:title="@string/action_settings"

        app:showAsAction="never" />

-->

    <item

        android:id="@+id/action_add_task"

        android:icon="@android:drawable/ic_menu_add"

        android:title="Add New Task"

        app:showAsAction="always"

        />

</menu>

1. 6GRADEL

  implementation fileTree(dir: 'libs', include: ['*.jar'])

    implementation 'com.android.support:appcompat-v7:27.0.0'

    implementation 'com.android.support.constraint:constraint-layout:1.1.2'

    implementation 'com.android.support:design:27.0.0'

Read More

Text Recognition by Camera using Google Vision

1. MANIFEST     

<?xml version="1.0" encoding="utf-8"?>

<manifest xmlns:android="http://schemas.android.com/apk/res/android"

    package="com.example.raj.imagetowordconverter">

    <uses-permission android:name="android.permission.CAMERA"></uses-permission>

    <application

        android:allowBackup="true"

        android:icon="@mipmap/ic_launcher"

        android:label="@string/app_name"

        android:roundIcon="@mipmap/ic_launcher_round"

        android:supportsRtl="true"

        android:theme="@style/AppTheme">

        <activity

            android:name=".MainActivity"

            android:screenOrientation="portrait">

            <intent-filter>

                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />

            </intent-filter>

        </activity>

        <meta-data

            android:name="com.google.android.gms.vision.DEPENDENCIES"

            android:value="ocr">

        </meta-data>

    </application>

</manifest>

1. 2 MAIN ACTIVITY

package com.example.raj.imagetowordconverter;

import android.Manifest;

import android.content.pm.PackageManager;

import android.graphics.Bitmap;

import android.graphics.BitmapFactory;

import android.support.annotation.NonNull;

import android.support.v4.app.ActivityCompat;

import android.support.v7.app.AppCompatActivity;

import android.os.Bundle;

import android.util.Log;

import android.util.SparseArray;

import android.view.SurfaceHolder;

import android.view.SurfaceView;

import android.view.View;

import android.widget.Button;

import android.widget.ImageView;

import android.widget.TextView;

import com.google.android.gms.vision.CameraSource;

import com.google.android.gms.vision.Detector;

import com.google.android.gms.vision.Frame;

import com.google.android.gms.vision.text.TextBlock;

import com.google.android.gms.vision.text.TextRecognizer;

import java.io.IOException;

public class MainActivity extends AppCompatActivity {

    SurfaceView cameraview;

    CameraSource cameraSource;

    final int RequestCameraPermisionID = 1001;

    TextView txtResult;

    @Override

    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {

        switch (requestCode) {

            case RequestCameraPermisionID: {

                if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {

                    if (ActivityCompat.checkSelfPermission(getApplicationContext(), Manifest.permission.CAMERA) != PackageManager.PERMISSION_GRANTED)

                        return;

                }

                try {

                    cameraSource.start(cameraview.getHolder());

                } catch (IOException e) {

                    e.printStackTrace();

                }

            }

        }

    }

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

        cameraview = (SurfaceView) findViewById(R.id.surface_view);

        txtResult = (TextView) findViewById(R.id.result);

        TextRecognizer textRecognizer = new TextRecognizer.Builder(getApplicationContext()).build();

        if (!textRecognizer.isOperational()) {

            Log.e("ERROR", "DECTOR ARE OT FUNCTIONAL");

        } else {

            cameraSource = new CameraSource.Builder(getApplicationContext(), textRecognizer)

                    .setFacing(CameraSource.CAMERA_FACING_BACK)

                    .setRequestedPreviewSize(1280, 1024)

                    .setRequestedFps(2.0f)

                    .setAutoFocusEnabled(true).build();

            cameraview.getHolder().addCallback(new SurfaceHolder.Callback() {

                @Override

                public void surfaceCreated(SurfaceHolder holder) {

                    try {

                        if (ActivityCompat.checkSelfPermission(getApplicationContext(), Manifest.permission.CAMERA) != PackageManager.PERMISSION_GRANTED) {

                            // TODO: Consider calling

                            ActivityCompat.requestPermissions(MainActivity.this, new String[]{Manifest.permission.CAMERA},

                                    RequestCameraPermisionID);

                            return;

                        }

                        cameraSource.start(cameraview.getHolder());

                    } catch (IOException e) {

                        e.printStackTrace();

                    }

                }

                @Override

                public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {

                }

                @Override

                public void surfaceDestroyed(SurfaceHolder holder) {

                    cameraSource.stop();

                }

            });

            //----------------

            textRecognizer.setProcessor(new Detector.Processor<TextBlock>() {

                @Override

                public void release() {

                }

                @Override

                public void receiveDetections(Detector.Detections<TextBlock> detections) {

                    final SparseArray<TextBlock> items = detections.getDetectedItems();

                    if (items.size() != 0) {

                        txtResult.post(new Runnable() {

                            @Override

                            public void run() {

                                StringBuilder stringBuilder = new StringBuilder();

                                for (int i = 0; i < items.size(); ++i) {

                                    TextBlock item = items.valueAt(i);

                                    stringBuilder.append(item.getValue());

                                    stringBuilder.append("\n");

                                }

                                txtResult.setText(stringBuilder.toString());

                            }

                        });

                    }

                }

            });

            //----------------

        }

    }

}

1. 3

<?xml version="1.0" encoding="utf-8"?>

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"

    xmlns:app="http://schemas.android.com/apk/res-auto"

    xmlns:tools="http://schemas.android.com/tools"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:orientation="vertical"

    tools:context=".MainActivity">

    <SurfaceView

        android:id="@+id/surface_view"

        android:layout_width="match_parent"

        android:layout_height="200dp"

        android:layout_gravity="center_horizontal"

        android:scaleType="center" />

    <TextView

        android:id="@+id/result"

        android:layout_width="match_parent"

        android:layout_height="wrap_content"

        android:layout_alignParentBottom="true"

        android:layout_below="@id/surface_view"

        android:text="NO TEXT"

        android:textColor="@color/colorAccent"

        android:textSize="24sp" />

</RelativeLayout>

1. 4
2. 5
3. 6

Read More

Text Recognition using Google Vision

1. 1android mainfest 
2. <?xml version="1.0" encoding="utf-8"?>
3. <manifest xmlns:android="http://schemas.android.com/apk/res/android"
4.     package="com.example.raj.imagetowordconverter">
5. 
   
6.     <application
7.         android:allowBackup="true"
8.         android:icon="@mipmap/ic_launcher"
9.         android:label="@string/app_name"
10.         android:roundIcon="@mipmap/ic_launcher_round"
11.         android:supportsRtl="true"
12.         android:theme="@style/AppTheme">
13.         <activity android:name=".MainActivity">
14.             <intent-filter>
15.                 <action android:name="android.intent.action.MAIN" />
16. 
    
17.                 <category android:name="android.intent.category.LAUNCHER" />
18.             </intent-filter>
19.         </activity>
20. 
    
21.         <meta-data
22.             android:name="com.google.android.gms.vision.DEPENDENCIES"
23.             android:value="ocr">
24. 
    
25.         </meta-data>
26. 
    
27. 
    
28.     </application>
29. 
    
30. </manifest>

1. 2 xml 
2. <?xml version="1.0" encoding="utf-8"?>
3. <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
4.     xmlns:app="http://schemas.android.com/apk/res-auto"
5.     xmlns:tools="http://schemas.android.com/tools"
6.     android:layout_width="match_parent"
7.     android:layout_height="match_parent"
8.     tools:context=".MainActivity"
9.     android:orientation="vertical">
10. 
    
11. 
    
12.     <ImageView
13.         android:layout_gravity="center_horizontal"
14.         android:scaleType="center"
15.         android:layout_width="wrap_content"
16.         android:layout_height="wrap_content"
17.         android:id="@+id/image_view"/>
18. 
    
19.     <Button
20.         android:layout_below="@id/image_view"
21.         android:layout_gravity="center_horizontal"
22.         android:id="@+id/button_process"
23.         android:layout_width="match_parent"
24.         android:layout_height="wrap_content"
25.         android:text="PROCESS"
26.         />
27.     <TextView
28.         android:layout_below="@id/button_process"
29. 
    
30.         android:id="@+id/result"
31.         android:gravity="center_horizontal"
32.         android:layout_width="match_parent"
33.         android:layout_height="wrap_content"
34.         android:text="NO TEXT"
35.         android:textSize="24sp"
36.         />
37. </RelativeLayout>

1. 2 main activity 
2. package com.example.raj.imagetowordconverter;
3. 
   
4. import android.graphics.Bitmap;
5. import android.graphics.BitmapFactory;
6. import android.support.v7.app.AppCompatActivity;
7. import android.os.Bundle;
8. import android.util.Log;
9. import android.util.SparseArray;
10. import android.view.View;
11. import android.widget.Button;
12. import android.widget.ImageView;
13. import android.widget.TextView;
14. 
    
15. import com.google.android.gms.vision.Frame;
16. import com.google.android.gms.vision.text.TextBlock;
17. import com.google.android.gms.vision.text.TextRecognizer;
18. 
    
19. public class MainActivity extends AppCompatActivity {
20. 
    
21.     ImageView imageView;
22.     Button btnp_rocess;
23.     TextView txtResult;
24. 
    
25.     @Override
26.     protected void onCreate(Bundle savedInstanceState) {
27.         super.onCreate(savedInstanceState);
28.         setContentView(R.layout.activity_main);
29. 
    
30.     imageView=(ImageView)findViewById(R.id.image_view);
31.     btnp_rocess=(Button)findViewById(R.id.button_process);
32.     txtResult=(TextView)findViewById(R.id.result);
33. 
    
34.         final Bitmap bitmap= BitmapFactory.decodeResource(
35.                 getApplicationContext().getResources(),R.drawable.txt
36.         );
37. 
    
38.         imageView.setImageBitmap(bitmap);
39. 
    
40.         btnp_rocess.setOnClickListener(new View.OnClickListener() {
41.             @Override
42.             public void onClick(View v) {
43.                 TextRecognizer textRecognizer=new TextRecognizer.Builder(getApplicationContext()).build();
44. 
    
45.             if (!textRecognizer.isOperational())
46.                 Log.e("ERROR","DECTOR ARE OT FUNCTIONAL");
47.             else {
48.                 Frame frame=new Frame.Builder().setBitmap(bitmap).build();
49.                 SparseArray<TextBlock> items=textRecognizer.detect(frame);
50.                 StringBuilder stringBuilder=new StringBuilder();
51.                 for (int i=0;i<items.size();++i)
52.                 {
53.                     TextBlock item=items.valueAt(i);
54.                     stringBuilder.append(item.getValue());
55.                     stringBuilder.append("\n");
56.                 }
57.                 txtResult.setText(stringBuilder.toString());
58.             }
59.             }
60.         });
61.     }
62. }

Read More

Render problem Failed to find style 'coordinatorLayoutStyle' in current theme Missing styles. Is the correct theme chosen for this layout? failed to instantitte one or more classes

Render problem Failed to find style 'coordinatorLayoutStyle' in current theme Missing styles. Is the correct theme chosen for this layout? failed to instantiate one or more classes

achange sdk 28 to 27 and go to Tools >> sdk manager and download API LEVEL 27

apply plugin: 'com.android.application'

android {
    compileSdkVersion 27
    defaultConfig {
        applicationId "com.example.raj.test"
        minSdkVersion 15
        targetSdkVersion 27
        versionCode 1
        versionName "1.0"
        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
    }
    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }
}

dependencies {
    implementation fileTree(dir: 'libs', include: ['*.jar'])
    implementation 'com.android.support:appcompat-v7:27.0.0'
    implementation 'com.android.support.constraint:constraint-layout:1.1.2'
    implementation 'com.android.support:design:27.0.0'
    testImplementation 'junit:junit:4.12'
    androidTestImplementation 'com.android.support.test:runner:1.0.2'
    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
}

Read More

ConstraintLayout problem solution AUGUST 2018

change sdk 28 to 27 and go to Tools >> sdk manager and download API LEVEL 27

apply plugin: 'com.android.application'

android {
    compileSdkVersion 27
    defaultConfig {
        applicationId "com.example.raj.test"
        minSdkVersion 15
        targetSdkVersion 27
        versionCode 1
        versionName "1.0"
        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
    }
    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }
}

dependencies {
    implementation fileTree(dir: 'libs', include: ['*.jar'])
    implementation 'com.android.support:appcompat-v7:27.0.0'
    implementation 'com.android.support.constraint:constraint-layout:1.1.2'
    implementation 'com.android.support:design:27.0.0'
    testImplementation 'junit:junit:4.12'
    androidTestImplementation 'com.android.support.test:runner:1.0.2'
    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
}

Read More

udacity android apps detail

• 
  
  
  
  

  Android Basics: User Interface           https://s3.amazonaws.com/video.udacity-data.com/topher/2018/June/5b1afeda_abnd-syllabus-term/abnd-syllabus-term.pdf

  
  

  Learn how to transform hand-drawn app designs into layouts using the XML markup language, and use Views and ViewGroups to display images and text.

  BUILD A SINGLE SCREEN APP
• 
  
  
  
  

  Android Basics: User Input

  
  

  Harness the power of Java to build a coffee-ordering app, use variables to add interactivity to your app, and learn the basics of object-oriented programming.

  SCORE KEEPER APPQUIZ APP
• 
  
  
  
  

  Android Basics: Multi-Screen Apps

  
  

  Learn how to show multiple screens, and add audio and images to an app. Learn how Android handles touch events, and make visual changes to add polish to your app.

  MUSICAL STRUCTURE APPTOUR GUIDE APP
• 
  
  
  
  

  Android Basics: Networking

  
  

  Discover the power of Web APIs and how to use them, and learn the basics of networking in Android, including HTTP networking, JSON parsing, and threads.

  NEWS APP
• https://s3.amazonaws.com/video.udacity-data.com/topher/2018/June/5b1f00c0_and-syllabus-terms/and-syllabus-terms.pdf

TERM 1

Android Developer

We built this Nanodegree program in partnership with Google for students with intermediate programming skills who want to become professional Android developers. By the end of this program, you’ll have a diverse portfolio of projects to show employers, including your own app on Google Play.

SEE FEWER DETAILS

4 months to complete

PREREQUISITE KNOWLEDGE

You should have 1-2 years of experience programming in Java or another object-oriented language like Python or C++, and must be proficient using Git and GitHub.See detailed requirements.

• 
  
  
  
  

  Welcome to Your Nanodegree program

  
  

  Welcome! Here’s an overview of the program where you’ll create an Android app, along with some helpful resources to get you started.
• 
  
  
  
  

  Developing Android Apps

  
  

  Work with instructors step-by-step to build a cloud-connected Android app. Blending theory and practice, learn how to build great apps the right way.

  SANDWICH CLUBPOPULAR MOVIES, STAGE 1POPULAR MOVIES, STAGE 2
• 
  
  
  
  

  Advanced Android App Development

  
  

  Make your apps more responsive, and create a total user experience with home screen widgets, third-party libraries, and more. Also, learn to deeply integrate rich media, test user interfaces, and publish to Google Play.

  BAKING APP

NEED TO PREPARE?

If you don’t have programming experience, we recommend you enroll in our Android Basics Nanodegree program.

TERM 2

Android Developer

We built this Nanodegree program in partnership with Google for students with intermediate programming skills who want to become professional Android developers. By the end of this program, you’ll have a diverse portfolio of projects to show employers, including your own app on Google Play.

SEE FEWER DETAILS

4 months to complete

PREREQUISITE KNOWLEDGE

You should have 1-2 years of experience programming in Java or another object-oriented language like Python or C++, and must be proficient using Git and GitHub.See detailed requirements.

• 
  
  
  
  

  Gradle for Android and Java

  
  

  Learn how to customize your Gradle build, and explore advanced topics like app testing, configuring free vs. paid apps, and creating and integrating libraries.

  BUILD IT BIGGER
• 
  
  
  
  

  Material Design for Android Developers

  
  

  Apply the design principles that define Android's visual language to your apps, using material design elements, transitions and graphics, across multiple form factors.

  MAKE YOUR APP MATERIAL
• 
  
  
  
  

  Capstone Project

  
  

  Integrate all you've learned in this program to bring your own app idea to life, and publish your app to Google Play.

  CAPSTONE, STAGE 1 - DESIGNCAPSTONE, STAGE 2 - BUILD

https://misk.org.sa/wp-content/uploads/2017/09/ABND-Syllabus.pdf

List of projects

1. A Single Screen App
2. Score Keeper App
3. Quiz App
4. Music Structure App
5. Repord Card
6. Tour Guide App
7. Book Listing App
8. News App
9. Habit Tracker App
10. Inventory App

Read More