安卓点击图标即震动打电话（适合家里老人打电话用）
版权声明：本文可能为博主原创文章，若标明出处可随便转载。 https://blog.csdn.net/Jailman/article/details/78040358 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>MainActivity.java 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(); } } layout默认即可，虽然简单，但是写给家里的爸妈还是很实用的，***记得把权限都放开*** 配个醒目的图标
