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  • Android 弹出通知Toast的使用

    //官方帮助文档:http://wear.techbrood.com/guide/topics/ui/notifiers/toasts.html
    <LinearLayout 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:orientation="vertical"
        tools:context=".MainActivity" >
    
        <Button android:id="@+id/btnShowShort"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:text="show short"/>
        
    	<Button android:id="@+id/btnShowLong"
    	        android:layout_width="fill_parent"
    	        android:layout_height="wrap_content"
    	        android:text="show long"/>
    	
    	<Button android:id="@+id/btnShowDiy"
    	        android:layout_width="fill_parent"
    	        android:layout_height="wrap_content"
    	        android:text="show diy"/>
    	
    	<Button android:id="@+id/btnShowImage"
    	        android:layout_width="fill_parent"
    	        android:layout_height="wrap_content"
    	        android:text="show image"/>
    </LinearLayout>
    


    	private Button btnShowShort;
    	private Button btnShowLong;
    	private Button btnShowDiy;
    	private Button btnShowImage;
        @Override
        protected void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            setContentView(R.layout.activity_main);
            
            btnShowShort=(Button) findViewById(R.id.btnShowShort);
            btnShowShort.setOnClickListener(new OnClickListener() {
    			@Override
    			public void onClick(View v) {
    				Toast.makeText(MainActivity.this, "show short",Toast.LENGTH_SHORT).show();
    			}
    		});
            
            btnShowLong=(Button) findViewById(R.id.btnShowLong);
            btnShowLong.setOnClickListener(new OnClickListener() {
    			@Override
    			public void onClick(View v) {
    				Toast.makeText(MainActivity.this, "show long",Toast.LENGTH_LONG).show();
    			}
    		});
            
            btnShowDiy=(Button) findViewById(R.id.btnShowDiy);
            btnShowDiy.setOnClickListener(new OnClickListener() {
    			@Override
    			public void onClick(View v) {
    				Toast toast=Toast.makeText(MainActivity.this, "show diy",Toast.LENGTH_LONG);
    				toast.setGravity(Gravity.CENTER, 100, 100);
    				toast.show();
    			}
    		});
            
            btnShowImage=(Button) findViewById(R.id.btnShowImage);
            btnShowImage.setOnClickListener(new OnClickListener() {
    			@Override
    			public void onClick(View v) {
    				Toast toast=Toast.makeText(MainActivity.this, "show long",Toast.LENGTH_LONG);
    				ImageView image=new ImageView(MainActivity.this);
    				image.setImageResource(R.drawable.cool);
    				toast.setView(image);
    				toast.show();
    			}
    		});
        }

    效果:





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  • 原文地址:https://www.cnblogs.com/raphael5200/p/5114773.html
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