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<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: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.example.activity02.MainActivity" > <!-- <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/hello_world" /> --> <EditText android:id="@+id/usernameEditText" android:layout_width="fill_parent" android:layout_height="wrap_content" android:hint="username"/> <Button android:id="@+id/myButton" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_below="@+id/usernameEditText"/> <Button android:id="@+id/sendButton" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_below="@+id/myButton"/></RelativeLayout> |
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<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" > <TextView android:id="@+id/myTextView" android:layout_width="fill_parent" android:layout_height="wrap_content" /></LinearLayout> |
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public class MainActivity extends ActionBarActivity { private Button myButton; private Button sendButton; private EditText usernameEditText; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); myButton = (Button) findViewById(R.id.myButton); myButton.setText("传值"); sendButton = (Button) findViewById(R.id.sendButton); sendButton.setText("发短信"); usernameEditText = (EditText) findViewById(R.id.usernameEditText); myButton.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { //Intent intent = new Intent(MainActivity.this, OtherActivity.class); Intent intent = new Intent(); intent.setClass(MainActivity.this, OtherActivity.class); String username = usernameEditText.getText().toString(); intent.putExtra("username", username); MainActivity.this.startActivity(intent); //startActivity(intent); } }); sendButton.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { //调用发端信的程序 Uri uri = Uri.parse("smsto:18513430780"); Intent intent = new Intent(Intent.ACTION_SENDTO, uri); intent.putExtra("sms_body", "The SMS text"); startActivity(intent); } }); }} |
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public class OtherActivity extends Activity{ private TextView myTextView; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); Toast.makeText(getApplicationContext(), "click", Toast.LENGTH_SHORT).show(); setContentView(R.layout.otheractivity); myTextView = (TextView) findViewById(R.id.myTextView); String username = getIntent().getStringExtra("username"); myTextView.setText("传过来的值是：" + username); }} |
原文：http://blog.csdn.net/dyllove98/article/details/41050935
