08-19 Activity启动 全屏，横、竖屏 FrameLayout TableLayout Intent Extra传递数据

Activity启动

//****直接启动****@Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        intent=getIntent();        textView= (TextView) findViewById(R.id.textView);        textView.setText(intent.getStringExtra(Config.INTENT_TO));        Button btn=(Button)findViewById(R.id.button);        btn.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View v) {                intent=new Intent(MainActivity.this,Second_Activity.class);                startActivityForResult(intent);            }        });    }//****带有返回值的启动****    Activity跳转  //**MainActivity**public class MainActivity extends Activity {    private TextView textView;    private Intent intent;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        intent=getIntent();        textView= (TextView) findViewById(R.id.textView);        textView.setText(intent.getStringExtra(Config.INTENT_TO));        Button btn=(Button)findViewById(R.id.button);        btn.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View v) {                intent=new Intent(MainActivity.this,Second_Activity.class);                startActivityForResult(intent,12);            }        });    }    @Override    protected void onActivityResult(int requestCode, int resultCode, Intent data) {        super.onActivityResult(requestCode, resultCode, data);        if(resultCode==RESULT_OK){            String s=data.getStringExtra("sss");            textView.setText(s);        }    }    @Override    protected void onStart() {        super.onStart();        Log.d("myApplication", "onStart ");    }    @Override    protected void onRestart() {        super.onRestart();        Log.d("myApplication", "onRestart");    }    @Override    protected void onResume() {        super.onResume();        Log.d("myApplication", "onResume ");    }    @Override    protected void onPause() {        super.onPause();        Log.d("myApplication", "onPause ");    }    @Override    protected void onStop() {        super.onStop();        Log.d("myApplication", "onStop ");    }    @Override    protected void onDestroy() {        super.onDestroy();        Log.d("myApplication", "onDestroy ");    }}//**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">    <TextView android:text="@string/hello_world"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:id="@+id/textView" />    <Button        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="启动第二个界面"        android:id="@+id/button"        android:layout_margin="@dimen/activity_horizontal_margin"        /></RelativeLayout>![这里写图片描述](http://img.blog.csdn.net/20150819195712603)//**Second_Activity**public class Second_Activity  extends Activity{    private EditText editText;    private Button button;    private Intent intent;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.layout_second);        editText= (EditText) findViewById(R.id.editText);//        intent=getIntent();        button= (Button) findViewById(R.id.button_back);        button.setOnClickListener(new View.OnClickListener(){            @Override            public void onClick(View v) {                Intent intent=new Intent();                intent.putExtra("sss",editText.getText().toString());                setResult(RESULT_OK,intent);                Second_Activity.this.finish();            }        });        Log.d("second_activity", "onCreate ");    }    @Override    protected void onStart() {        super.onStart();        Log.d("second_activity", "onStart ");    }    @Override    protected void onResume() {        super.onResume();        Log.d("second_activity", "onResume ");    }    @Override    protected void onPause() {        super.onPause();        Log.d("second_activity", "onPause ");    }    @Override    protected void onStop() {        super.onStop();        Log.d("second_activity", "onStop ");    }    @Override    protected void onDestroy() {        super.onDestroy();        Log.d("second_activity", "onDestroy ");    }}//**activity_second**<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:orientation="vertical"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:weightSum="1">    <TextView android:text="第二个界面"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:id="@+id/textView" />    <EditText        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:id="@+id/editText"/>    <Button        android:layout_width="100dp"        android:layout_height="50dp"        android:text="返回结果"        android:id="@+id/button_back"/></LinearLayout>![这里写图片描述](http://img.blog.csdn.net/20150819200001443)

全屏、非全屏，横屏、竖屏

//******全屏、非全屏******   //**MainActivity** @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        this.requestWindowFeature(Window.FEATURE_NO_TITLE);//去掉标题栏        this.getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,WindowManager.LayoutParams.FLAG_FULLSCREEN);//去掉信息栏        setContentView(R.layout.activity_main);        intent=getIntent();        textView= (TextView) findViewById(R.id.textView);        textView.setText(intent.getStringExtra(Config.INTENT_TO));        Button btn=(Button)findViewById(R.id.button);        btn.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View v) {                intent=new Intent(MainActivity.this,Second_Activity.class);                startActivityForResult(intent,12);            }        });    }//**AndroidManifest.xml**<activity        android:name=".MainActivity"        android:label="@string/app_name"        android:theme="@android:style/Theme.NoTitleBar.Fullscreen">//全屏        <intent-filter>            <action android:name="com.example.administrator.myappplication.MainActivity"/>            <category android:name="android.intent.category.DEFAULT"/>        </intent-filter>    </activity>    ![全屏](http://img.blog.csdn.net/20150819201216930)![非全屏](http://img.blog.csdn.net/20150819201334453)//******竖屏、横屏******  //**AndroidManifest.xml**   <activity        android:name=".MainActivity"        android:label="@string/app_name"        android:theme="@android:style/Theme.NoTitleBar.Fullscreen"        android:screenOrientation="portrait"//竖屏        android:screenOrientation="landscape">//横屏        <intent-filter>            <action android:name="com.example.administrator.myappplication.MainActivity"/>            <category android:name="android.intent.category.DEFAULT"/>        </intent-filter>    </activity>    ![横屏](http://img.blog.csdn.net/20150819202202580)    ![竖屏](http://img.blog.csdn.net/20150819202355427)

FrameLayout的属性

<?xml version="1.0" encoding="utf-8"?><FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="match_parent"    android:layout_height="match_parent">    <Button        android:layout_width="150dp"        android:layout_height="150dp"        android:background="#ff0000"       android:visibility="visible" //可见       android:visibility="invisible"//不可见,但还占据位置       android:visibility="gone"/> //相当于消除这个按钮    <Button        android:layout_width="100dp"        android:layout_height="100dp" /></FrameLayout>![visible](http://img.blog.csdn.net/20150819202810153)![invisible](http://img.blog.csdn.net/20150819202902473)![gone](http://img.blog.csdn.net/20150819202955374)

TableLayout的属性

/**android:stretchColumns 设置可伸展的列,自行沾满剩余空间android:shrinkColumns  设置可收缩的列，自行调整大小android:collapseColumns 设置要隐藏的列。**/<?xml version="1.0" encoding="utf-8"?><TableLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:stretchColumns="0,1,2"    android:shrinkColumns="1">   <TableRow>       <Button android:text="button1"/>       <Button android:text="button2"/>       <Button android:text="button3"/>   </TableRow>    <TableRow>        <Button android:text="button1"/>        <Button android:text="button2222222222222222222"/>        <Button android:text="button3"/>    </TableRow>    <TableRow>        <Button android:text="button1"/>        <Button android:text="button2"/>        <Button android:text="button3"/>    </TableRow></TableLayout>![这里写图片描述](http://img.blog.csdn.net/20150819204330132)

Intent

//**ActionActivity**public class ActionActivity extends Activity{    private Button mButtonDIAL;    private Button mButtonCALL;    private Button mBtnWEB;    private Button mBtnSMS;    private Button mBtnDIAO;    private EditText editText;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.action);        //打电话  需要在AndroidManifest中添加权限        /*        <uses-permission android:name="android.permission.CALL_PHONE"></uses-permission>        */        mButtonDIAL= (Button) findViewById(R.id.button_DIAL);        mButtonDIAL.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View v) {                Intent intent=new Intent();                intent.setAction(Intent.ACTION_DIAL);                intent.setData(Uri.parse("tel:[phone]"));                startActivity(intent);            }        });        //直接打电话        mButtonCALL= (Button) findViewById(R.id.button_CALL);        mButtonCALL.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View v) {                Intent intent=new Intent();                intent.setAction(Intent.ACTION_CALL);                intent.setData(Uri.parse("tel:[phone]"));                startActivity(intent);            }        });        //发短信        mBtnSMS= (Button) findViewById(R.id.button_SMS);        mBtnSMS.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View v) {                Intent intent=new Intent(Intent.ACTION_SENDTO);                intent.setData(Uri.parse("smsto;"));                intent.putExtra("sms_body","The SMS Text");                startActivity(intent);            }        });        //打开网页        mBtnWEB= (Button) findViewById(R.id.button_WEB);        mBtnWEB.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View v) {                Intent intent=new Intent(Intent.ACTION_VIEW);                intent.setData(Uri.parse("http://www.baidu.com"));                startActivity(intent);            }        });       //隐式调用        mBtnDIAO= (Button) findViewById(R.id.button_diao);        editText= (EditText) findViewById(R.id.edittext);        mBtnDIAO.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View v) {                Intent intent=new Intent("com.example.administrator.myappplication.MainActivity");                String value=editText.getText().toString();                intent.putExtra(Config.INTENT_TO,value);                startActivity(intent);            }        });    }}//**action_layout**<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:orientation="vertical"    android:layout_width="match_parent"    android:layout_height="match_parent">    <EditText        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:id="@+id/edittext"/>    <Button        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="打电话"        android:id="@+id/button_DIAL" />    <Button        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="直接打电话"        android:id="@+id/button_CALL" />    <Button        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="发短信"        android:id="@+id/button_SMS"/>    <Button        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="打开网页"        android:id="@+id/button_WEB"/>    <Button        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="隐式启动"        android:id="@+id/button_diao"/></LinearLayout>//**AndroidManifest**<?xml version="1.0" encoding="utf-8"?><manifest xmlns:android="http://schemas.android.com/apk/res/android"package="com.example.administrator.myapplication" ><uses-permission android:name="android.permission.CALL_PHONE"></uses-permission><application    android:icon="@mipmap/ic_launcher"    android:label="@string/app_name"    android:theme="@style/AppTheme" >    <activity        android:name=".MainActivity"        android:label="@string/app_name"        android:theme="@android:style/Theme.NoTitleBar.Fullscreen"        android:screenOrientation="portrait">        //隐式调用，跳转到哪个页面，intent-filter写在哪个页面        <intent-filter>            <action android:name="com.example.administrator.myappplication.MainActivity"/>            <category android:name="android.intent.category.DEFAULT"/>        </intent-filter>    </activity>    <activity android:name=".Second_Activity">    </activity>    <activity android:name=".ActionActivity">    </activity></application></manifest>![这里写图片描述](http://img.blog.csdn.net/20150819205317393)

Extra传递数据

//**发出信息的页面**public class Second_Activity  extends Activity{    private EditText editText;    private Button button;    private Intent intent;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.layout_second);        //设置editText 发送消息的输入框        editText= (EditText) findViewById(R.id.editText);//        intent=getIntent();        button= (Button) findViewById(R.id.button_back);        button.setOnClickListener(new View.OnClickListener(){            @Override            public void onClick(View v) {                Intent intent=new Intent();//封装消息                intent.putExtra("sss",editText.getText().toString());                setResult(RESULT_OK,intent);                Second_Activity.this.finish();            }        });        Log.d("second_activity", "onCreate ");    }    @Override    protected void onStart() {        super.onStart();        Log.d("second_activity", "onStart ");    }    @Override    protected void onResume() {        super.onResume();        Log.d("second_activity", "onResume ");    }    @Override    protected void onPause() {        super.onPause();        Log.d("second_activity", "onPause ");    }    @Override    protected void onStop() {        super.onStop();        Log.d("second_activity", "onStop ");    }    @Override    protected void onDestroy() {        super.onDestroy();        Log.d("second_activity", "onDestroy ");    }}//**得到信息的页面**public class MainActivity extends Activity {    private TextView textView;    private Intent intent;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        this.requestWindowFeature(Window.FEATURE_NO_TITLE);//去掉标题栏        this.getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,WindowManager.LayoutParams.FLAG_FULLSCREEN);//去掉信息栏        setContentView(R.layout.activity_main);        intent=getIntent();        textView= (TextView) findViewById(R.id.textView);//****getStringExtra 获取信息****        textView.setText(intent.getStringExtra(Config.INTENT_TO));        Button btn=(Button)findViewById(R.id.button);        btn.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View v) {                intent=new Intent(MainActivity.this,Second_Activity.class);                startActivityForResult(intent,12);            }        });    }    @Override    protected void onActivityResult(int requestCode, int resultCode, Intent data) {        super.onActivityResult(requestCode, resultCode, data);        if(resultCode==RESULT_OK){            String s=data.getStringExtra("sss");            textView.setText(s);        }    }    @Override    protected void onStart() {        super.onStart();        Log.d("myApplication", "onStart ");    }    @Override    protected void onRestart() {        super.onRestart();        Log.d("myApplication", "onRestart");    }    @Override    protected void onResume() {        super.onResume();        Log.d("myApplication", "onResume ");    }    @Override    protected void onPause() {        super.onPause();        Log.d("myApplication", "onPause ");    }    @Override    protected void onStop() {        super.onStop();        Log.d("myApplication", "onStop ");    }    @Override    protected void onDestroy() {        super.onDestroy();        Log.d("myApplication", "onDestroy ");    }}//静态常量public class Config {    public static final String INTENT_TO="qwe123asd";}