Start a specified app with data passed

In the post Start a specified app, the slave app is satrted without any data passed. Data can be passed from master app to slave app in bundle.







Master App:

package com.test.AndroidMaster;



import android.app.Activity;

import android.content.Intent;

import android.os.Bundle;

import android.view.View;

import android.widget.Button;

import android.widget.EditText;



public class AndroidMasterActivity extends Activity {

	

	final static String PACKAGE_NAME = "com.test.AndroidSlave";

	final static String CLASS_NAME = "com.test.AndroidSlave.AndroidSlaveActivity";

	

	EditText textIn;

	Button btnStartSlave;

	

    /** Called when the activity is first created. */

    @Override

    public void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.main);

        textIn = (EditText)findViewById(R.id.input);

        btnStartSlave = (Button)findViewById(R.id.startalave);

        btnStartSlave.setOnClickListener(new Button.OnClickListener(){



			@Override

			public void onClick(View arg0) {

				// TODO Auto-generated method stub

				String textToBePassed = textIn.getText().toString();

				startSlave(textToBePassed);

			}});

    }

    

    private void startSlave(String passingText){

    	Intent intent = new Intent();

    	intent.setClassName(PACKAGE_NAME, CLASS_NAME); 

    	

    	Bundle bundle = new Bundle();

    	bundle.putString("key", passingText);

        intent.putExtras(bundle);

    	

    	startActivity(intent);

    }

}

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

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

    android:orientation="vertical"

    android:layout_width="fill_parent"

    android:layout_height="fill_parent"

    >

<TextView  

    android:layout_width="fill_parent" 

    android:layout_height="wrap_content" 

    android:text="@string/hello"

    />

<EditText

	android:id="@+id/input"  

    android:layout_width="fill_parent" 

    android:layout_height="wrap_content" 

    android:text="@string/hello"

    />

<Button 

	android:id="@+id/startalave"

    android:layout_width="fill_parent" 

    android:layout_height="wrap_content" 

    android:text="Start Slave App"

    />

</LinearLayout>

Slave App:

package com.test.AndroidSlave;



import android.app.Activity;

import android.os.Bundle;

import android.widget.TextView;

import android.widget.Toast;



public class AndroidSlaveActivity extends Activity {

	

	TextView textOut;

	

    /** Called when the activity is first created. */

    @Override

    public void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.main);

        textOut = (TextView)findViewById(R.id.output);

        

        Toast.makeText(AndroidSlaveActivity.this, 

        		"onCreate", Toast.LENGTH_LONG).show();

        

        Bundle bundle = this.getIntent().getExtras();

        

        if (bundle==null){

        	textOut.setText("Self start without bundle");

        }else{

        	String textPassed = bundle.getString("key");

            

            if(textPassed == null){

            	textOut.setText("No text passed");

            }else{

            	textOut.setText(textPassed);

            }

        }

    }



}

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

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

    android:orientation="vertical"

    android:layout_width="fill_parent"

    android:layout_height="fill_parent"

    >

<TextView  

    android:layout_width="fill_parent" 

    android:layout_height="wrap_content" 

    android:text="@string/hello"

    />

<TextView

	android:id="@+id/output"  

    android:layout_width="fill_parent" 

    android:layout_height="wrap_content" 

    />

</LinearLayout>

Related post:

- Check if a app is instlled

Tweet