扣丁学堂——APP分享功能

public class Main1223Activity extends AppCompatActivity {
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main1223);
    }
    //当单击按钮时，触发，自动调用系统分享程序列表
    public void shareTextView(View view) {
        Intent sendIntent = new Intent();
        //作用
        sendIntent.setAction(Intent.ACTION_SEND);
        //类型
        sendIntent.setType("text/plain");
        //分享的内容
        sendIntent.putExtra(Intent.EXTRA_TEXT,"我宣你");
        //启动系统的分享程序
        startActivity(sendIntent);
    }
}

//指定选择器：参数：intent ,分享列标题
//  startActivity(Intent.createChooser(sendIntent, "您好啊"));

//分享图片：
public  void  sharedImage(View view){
    //图片路径
    Uri uriImage = Uri.parse("./sdcard/a.jpg");
    Intent sendIntent = new Intent();
    //作用
    sendIntent.setAction(Intent.ACTION_SEND);
    //类型
    sendIntent.setType("image/*");
    //分享的内容
    sendIntent.putExtra(Intent.EXTRA_STREAM, uriImage);
    startActivity(Intent.createChooser(sendIntent,"分享图片到"));
}

public  void  multImage(View view){
    //图片路径
    Uri uriImage1 = Uri.parse("./sdcard/a.jpg");
    Uri uriImage2 = Uri.parse("./sdcard/b.jpg");
    ArrayList<Uri> list = new ArrayList<Uri>();
    list.add(uriImage1);
    list.add(uriImage2);
    Intent sendIntent = new Intent();
    //作用
    sendIntent.setAction(Intent.ACTION_SEND_MULTIPLE);
    //类型
    sendIntent.setType("image/*");
    //分享的内容
    sendIntent.putParcelableArrayListExtra(Intent.EXTRA_STREAM,list);
    startActivity(Intent.createChooser(sendIntent, "分享图片到"));
}

//自已的app接收数据：会自动在分享列表程序中显示自已的app，
public class ReceiverShared extends AppCompatActivity {
    TextView textView;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_receiver_shared);

       textView = (TextView) findViewById(R.id.content);

        handlerContent();
    }
    private void handlerContent() {
        Intent intent = getIntent();
        String type = intent.getType();
        String action = intent.getAction();
        if(Intent.ACTION_SEND.equals(action)){
            if("text/plain".equals(type)){
               //获取内容：
                String info = intent.getStringExtra(Intent.EXTRA_TEXT);
                textView.setText(info);
            }
        }
    }
}

清单配置：
        //接收数据的activity：
        <activity
            android:name=".ReceiverShared"
            android:label="@string/title_activity_receiver_shared" >
            <intent-filter>
                <action android:name="android.intent.action.SEND"></action>
                <category android:name="android.intent.category.DEFAULT"></category>
                <data android:mimeType="text/plain"/>
            </intent-filter>
        </activity>

<item
    android:id="@+id/shares"
    android:orderInCategory="200"
    android:title="分享"
    app:actionProviderClass="android.support.v7.widget.ShareActionProvider"
    app:showAsAction="ifRoom"/>

@Override
        public boolean onCreateOptionsMenu(Menu menu) {

            getMenuInflater().inflate(R.menu.menu_main1223, menu);

            MenuItem item = menu.findItem(R.id.shares);
//一定是V7下的包
            ShareActionProvider sp = (ShareActionProvider) MenuItemCompat.getActionProvider(item);

            Intent intent = new Intent();

            intent.setAction(Intent.ACTION_SEND);
            intent.setType("text/plain");

//分享的内容
            intent.putExtra(Intent.EXTRA_TEXT, "你好啊1");

            sp.setShareIntent(intent);

        return super.onCreateOptionsMenu(menu);
    }