安卓点击图标即震动打电话（适合家里老人打电话用）

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="online.geekgalaxy.ecall">

    <!--permissions-->
    <uses-permission android:name="android.permission.CALL_PHONE" />
    <uses-permission android:name="android.permission.VIBRATE" />

    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">
        <activity android:name=".MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>

package online.geekgalaxy.ecall;

import android.Manifest;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.net.Uri;
import android.os.Vibrator;
import android.support.v4.app.ActivityCompat;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {

    private Vibrator vibrator;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        /*
         * 想设置震动大小可以通过改变pattern来设定，如果开启时间太短，震动效果可能感觉不到
         * */
        vibrator = (Vibrator) getSystemService(Context.VIBRATOR_SERVICE);
        long [] pattern = {100,400,100,400}; // 停止 开启 停止 开启
        vibrator.vibrate(pattern,2); //重复两次上面的pattern 如果只想震动一次，index设为-1

        String number = "13XXXXXXXXX";
        Intent intent = new Intent(Intent.ACTION_CALL, Uri.parse("tel:" + number));
        if (ActivityCompat.checkSelfPermission(this, Manifest.permission.CALL_PHONE) != PackageManager.PERMISSION_GRANTED) {
            // TODO: Consider calling
            //    ActivityCompat#requestPermissions
            // here to request the missing permissions, and then overriding
            //   public void onRequestPermissionsResult(int requestCode, String[] permissions,
            //                                          int[] grantResults)
            // to handle the case where the user grants the permission. See the documentation
            // for ActivityCompat#requestPermissions for more details.
            Toast.makeText(this, "No call permission!", Toast.LENGTH_SHORT).show();
            return;
        }
        startActivity(intent);
    }

    public void onStop(){
        super.onStop();
        vibrator.cancel();
    }

}