Create a new android application
Class Files
MainActivity.java
public class NewPageActivity extends Activity {
TextView tvkey;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_new_page);
//Retrieve extended data from the intent.
String key=getIntent().getStringExtra("key");
tvkey=(TextView)findViewById(R.id.tv_key);
//Append the specified text to the TextView's display buffer
tvkey.append(key);
}
}
Layouts
activity_main.xml
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent"
android:layout_height="match_parent" android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
android:paddingBottom="@dimen/activity_vertical_margin" tools:context=".MainActivity">
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Open New Page"
android:id="@+id/button_newpage"
android:layout_alignParentTop="true"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true" />
</RelativeLayout>
activity_new_page.xml
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/LinearLayout1"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context="com.relationwithandroid.intentssample.NewPageActivity" >
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Congrats!!!!"
android:textSize="30sp"
android:layout_gravity="center"/>
<TextView
android:id="@+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="You opened Second Activity"
android:textAppearance="?android:attr/textAppearanceMedium"
android:textSize="25sp"
android:layout_gravity="center"/>
<TextView
android:id="@+id/tv_key"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Key is " />
</LinearLayout>
Add new Activity to manifest file
<activity
android:name="com.sjk.testapp.NewPageActivity"
android:label="@string/app_name" >
</activity>
GitHub link
Class Files
MainActivity.java
public class MainActivity extends Activity {NewPageActivity.java
Button b_newPage;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
b_newPage=(Button)findViewById(R.id.button_newpage);
b_newPage.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Intent myIntent = new Intent(MainActivity.this, NewPageActivity.class);
myIntent.putExtra("key", "Key Value"); //Optional parameters
startActivity(myIntent);
}
});
}
}
public class NewPageActivity extends Activity {
TextView tvkey;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_new_page);
//Retrieve extended data from the intent.
String key=getIntent().getStringExtra("key");
tvkey=(TextView)findViewById(R.id.tv_key);
//Append the specified text to the TextView's display buffer
tvkey.append(key);
}
}
Layouts
activity_main.xml
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent"
android:layout_height="match_parent" android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
android:paddingBottom="@dimen/activity_vertical_margin" tools:context=".MainActivity">
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Open New Page"
android:id="@+id/button_newpage"
android:layout_alignParentTop="true"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true" />
</RelativeLayout>
activity_new_page.xml
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/LinearLayout1"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context="com.relationwithandroid.intentssample.NewPageActivity" >
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Congrats!!!!"
android:textSize="30sp"
android:layout_gravity="center"/>
<TextView
android:id="@+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="You opened Second Activity"
android:textAppearance="?android:attr/textAppearanceMedium"
android:textSize="25sp"
android:layout_gravity="center"/>
<TextView
android:id="@+id/tv_key"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Key is " />
</LinearLayout>
Add new Activity to manifest file
<activity
android:name="com.sjk.testapp.NewPageActivity"
android:label="@string/app_name" >
</activity>
GitHub link
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