Toast 文本显示

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</pre><pre name="code" class="java">package com.example.toast_e;import android.os.Bundle;import android.app.Activity;import android.view.Gravity;import android.view.Menu;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;import android.widget.TextView;import android.widget.Toast;public class MainActivity extends Activity {private TextView tv=null;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);tv=(TextView)this.findViewById(R.id.tv_info);tv.setOnClickListener(new TextView.OnClickListener() {@Overridepublic void onClick(View v) {// TODO Auto-generated method stubToast t=Toast.makeText(MainActivity.this,"Toast with view location",Toast.LENGTH_LONG).show();t.setGravity(Gravity.CENTER, 90, 90);//显示的位置//Toast t=Toast.makeText(MainActivity.this, "A test.", Toast.LENGTH_SHORT).show();}});}@Overridepublic boolean onCreateOptionsMenu(Menu menu) {// Inflate the menu; this adds items to the action bar if it is present.getMenuInflater().inflate(R.menu.activity_main, menu);return true;}}

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