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EditText et=(EditText)findViewById(R.id.EditText01);
Intent intent = new Intent();
String str=et.getText().toString();
intent.putExtra("text",str );
package android.ui;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
public class AndroidUI011 extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
/* 以findViewById()取得Button 对象,并添加onClickListener */
Button b1 = (Button) findViewById(R.id.button1);
b1.setOnClickListener(new Button.OnClickListener() {
public void onClick(View v) {
/* new 一个Intent 对象,并指定要启动的class */
Intent intent = new Intent();
intent.setClass(AndroidUI011.this, AndroidUI011SecondActivity.class);
/* 调用一个新的Activity */
AndroidUI011.this.startActivity(intent);
/* 关闭原本的Activity */
//AndroidUI011.this.finish();
}
});
}
}
package android.ui;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
public class AndroidUI011SecondActivity extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.secondactivitylayout);
Button b2 = (Button) findViewById(R.id.button2);
b2.setOnClickListener(new Button.OnClickListener() {
public void onClick(View v) {
/* new 一个Intent 对象,并指定要启动的class */
Intent intent = new Intent();
intent.setClass(AndroidUI011SecondActivity.this, AndroidUI011.class);
/* 调用一个新的Activity */
startActivity(intent);
/* 关闭原本的Activity */
AndroidUI011SecondActivity.this.finish();
}
});
}
}
<?xml version="1.0" encoding="utf-8"?>
<AbsoluteLayout
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="@color/black"
xmlns:android="http://schemas.android.com/apk/res/android"
>
<TextView android:text="@string/act1" android:layout_width="186px" android:layout_height="29px" android:textSize="24sp" android:id="@+id/text1" android:layout_x="9dip" android:layout_y="52dip"></TextView>
<Button
android:id="@+id/button1"
android:text="Go to Activity2"
android:layout_width="118px"
android:layout_height="wrap_content"
android:layout_x="54dip"
android:layout_y="85dip"
></Button>
</AbsoluteLayout>
<?xml version="1.0" encoding="utf-8"?>
<AbsoluteLayout
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="@color/white"
xmlns:android="http://schemas.android.com/apk/res/android"
>
<TextView
android:id="@+id/text2"
android:textSize="24sp"
android:layout_width="186px"
android:layout_height="29px"
android:layout_x="70px"
android:layout_y="32px"
android:textColor="@color/black"
android:text="@string/act2"
></TextView>
<Button
android:id="@+id/button2"
android:text="Go to Activity1"
android:layout_width="118px"
android:layout_height="wrap_content"
android:layout_x="54dip"
android:layout_y="85dip"
></Button>
<RatingBar android:layout_x="13dip" android:id="@+id/ratingBar1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_y="182dip"></RatingBar>
</AbsoluteLayout>
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="android.ui"
android:versionCode="1"
android:versionName="1.0">
<uses-sdk android:minSdkVersion="3" />
<application android:icon="@drawable/icon" android:label="@string/app_name">
<activity android:name=".AndroidUI011"
android:label="@string/app_name">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity android:name="AndroidUI011SecondActivity"></activity>
</application>
<uses-sdk android:minSdkVersion="3" />
</manifest>