标签：div wrap back add source 方法 ndt set 演示
3.常用方法
show():显示消息提示框
makeText(Context context,Charsquence text,int duration):创建一个toast对象
setView(View view):该Toast显示的view组件
4.代码演示
MainActivity.class
public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
public void findOne(View v){
Toast.makeText(this,"显示文本",Toast.LENGTH_LONG).show();
}
public void findTwo(View v){
Toast toast = new Toast(this);
ImageView imageView = new ImageView(this);
imageView.setImageResource(R.drawable.ic_launcher);
toast.setView(imageView);
toast.setGravity(Gravity.TOP,0,0);
toast.setDuration(Toast.LENGTH_LONG);
toast.show();
}
public void findThree(View v){
Toast toast = new Toast(this);
TextView tv = new TextView(this);
tv.setText("安卓开机图片");
ImageView imageView = new ImageView(this);
imageView.setImageResource(R.drawable.ic_launcher);
LinearLayout layout = new LinearLayout(this);
layout.setOrientation(LinearLayout.VERTICAL);
layout.addView(imageView);
layout.addView(tv);
toast.setView(layout);
toast.setGravity(Gravity.CENTER,0,0);
toast.setDuration(Toast.LENGTH_LONG);
toast.show();
}
}
activity_main.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/activity_main"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
tools:context="com.langdon.taiyang.androidtest.MainActivity">
<Button
android:text="toast显示文本"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/toidOne"
android:onClick="findOne"
android:layout_gravity="center_horizontal"
/>
<Button
android:text="toast显示图片"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/toidTwo"
android:onClick="findTwo"
android:layout_gravity="center_horizontal"/>
<Button
android:text="toast显示图文"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/toidThree"
android:onClick="findThree"
android:layout_gravity="center_horizontal"/>
</LinearLayout>
5.注意点
标签：div wrap back add source 方法 ndt set 演示
原文地址：http://www.cnblogs.com/langdon/p/6095649.html
