版权声明：本文为博主原创文章，未经博主允许不得转载。 https://blog.csdn.net/Rodulf/article/details/88679716
主要的代码是注册和取消注册
注册需要在onCreate 或者是onResume里面
而反注册要和上面的对应了， 就是onDestory 或者是onPause里面
package bjpkten.aclient;
import android.Manifest;
import android.content.ComponentName;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.ServiceConnection;
import android.content.pm.PackageManager;
import android.database.ContentObserver;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.os.Handler;
import android.os.IBinder;
import android.os.RemoteException;
import android.provider.ContactsContract;
import android.provider.Settings;
import android.support.annotation.NonNull;
import android.support.v4.app.ActivityCompat;
import android.support.v4.content.ContextCompat;
import android.support.v7.app.AlertDialog;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.view.View;
import android.widget.Toast;
public class MainActivity extends AppCompatActivity {
private Handler mHandler = new Handler();
private String TAG = "kodulf";
private String[] permissions = {Manifest.permission.READ_CONTACTS,Manifest.permission.WRITE_CONTACTS, Manifest.permission.READ_CONTACTS,Manifest.permission.READ_CALENDAR};
private AlertDialog dialog;
private int currentPosition = -1;
private ContentObserver mContentObserver = new ContentObserver(mHandler) {
@Override
public boolean deliverSelfNotifications() {
return super.deliverSelfNotifications();
}
@Override
public void onChange(boolean selfChange) {
super.onChange(selfChange);
Log.d(TAG, "onChange: ");
}
@Override
public void onChange(boolean selfChange, Uri uri) {
super.onChange(selfChange, uri);
Log.d(TAG, "onChange: uri " + uri.getAuthority());
}
};
private ServiceConnection conn;
private Fighting fighting;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Intent intent = new Intent();
intent.setAction("aa.bb.cc.dd");
intent.addCategory("aaa.bbb.ccc.ddd");
intent.setPackage("bjpkten.aserver");
conn = new ServiceConnection() {
@Override
public void onServiceConnected(ComponentName name, IBinder service) {
fighting = Fighting.Stub.asInterface(service);
int add = 0;
try {
add = fighting.add(10, 10);
} catch (RemoteException e) {
e.printStackTrace();
}
Log.d("kodulf", "onServiceConnected: added = " + add);
}
@Override
public void onServiceDisconnected(ComponentName name) {
}
};
//boolean b = bindService(intent, conn, BIND_AUTO_CREATE);
//Log.d("kodulf","bind result : " + b);
doInCreate();
getContentResolver().registerContentObserver(
ContactsContract.Contacts.CONTENT_URI,
true,
mContentObserver);
getContentResolver().registerContentObserver(
Uri.parse("content://com.android.calendar/calendars"),
true,
mContentObserver);
getContentResolver().registerContentObserver(
Uri.parse("content://com.android.calendar/events"),
true,
mContentObserver);
getContentResolver().registerContentObserver(
Uri.parse("content://com.android.calendar/reminders"),
true,
mContentObserver);
}
@Override
protected void onDestroy() {
super.onDestroy();
unbindService(conn);
getContentResolver().unregisterContentObserver(mContentObserver);
}
public void add(View view) {
int add = 0;
try {
add = fighting.add(100, 200);
} catch (RemoteException e) {
e.printStackTrace();
}
Log.d("kodulf", "add: " + add);
}
public void jump(View view) {
startActivityForResult(new Intent(this,SecondActivity.class),100);
}
private void doInCreate() {
// 检查该权限是否已经获取
int i = ContextCompat.checkSelfPermission(this, permissions[0]);
// 权限是否已经 授权 GRANTED---授权 DINIED---拒绝
if (i != PackageManager.PERMISSION_GRANTED) {
// 如果没有授予该权限，就去提示用户请求
showDialogTipUserRequestPermission();
}
Log.d("kodulf", "onCreate: " + i + " "+(i != PackageManager.PERMISSION_GRANTED));
// 检查该权限是否已经获取
i = ContextCompat.checkSelfPermission(this, permissions[1]);
// 权限是否已经 授权 GRANTED---授权 DINIED---拒绝
if (i != PackageManager.PERMISSION_GRANTED) {
// 如果没有授予该权限，就去提示用户请求
showDialogTipUserRequestPermission();
}
Log.d("kodulf", "onCreate: " + i + " "+(i != PackageManager.PERMISSION_GRANTED));
}
// 提示用户该请求权限的弹出框
private void showDialogTipUserRequestPermission() {
new AlertDialog.Builder(this)
.setTitle("存储权限不可用")
.setMessage("由于支付宝需要获取存储空间，为你存储个人信息；\n否则，您将无法正常使用支付宝")
.setPositiveButton("立即开启", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
startRequestPermission();
}
})
.setNegativeButton("取消", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
finish();
}
}).setCancelable(false).show();
}
// 开始提交请求权限
private void startRequestPermission() {
ActivityCompat.requestPermissions(this, permissions, 321);
}
// 用户权限 申请 的回调方法
@Override
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
super.onRequestPermissionsResult(requestCode, permissions, grantResults);
if (requestCode == 321) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
if (grantResults[0] != PackageManager.PERMISSION_GRANTED) {
// 判断用户是否 点击了不再提醒。(检测该权限是否还可以申请)
boolean b = shouldShowRequestPermissionRationale(permissions[0]);
if (!b) {
// 用户还是想用我的 APP 的
// 提示用户去应用设置界面手动开启权限
showDialogTipUserGoToAppSettting();
} else
finish();
} else {
Toast.makeText(this, "权限获取成功", Toast.LENGTH_SHORT).show();
}
}
}
}
// 提示用户去应用设置界面手动开启权限
private void showDialogTipUserGoToAppSettting() {
dialog = new AlertDialog.Builder(this)
.setTitle("存储权限不可用")
.setMessage("请在-应用设置-权限-中，允许支付宝使用存储权限来保存用户数据")
.setPositiveButton("立即开启", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
// 跳转到应用设置界面
goToAppSetting();
}
})
.setNegativeButton("取消", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
finish();
}
}).setCancelable(false).show();
}
// 跳转到当前应用的设置界面
private void goToAppSetting() {
Intent intent = new Intent();
intent.setAction(Settings.ACTION_APPLICATION_DETAILS_SETTINGS);
Uri uri = Uri.fromParts("package", getPackageName(), null);
intent.setData(uri);
startActivityForResult(intent, 123);
}
//
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (requestCode == 123) {
if (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
// 检查该权限是否已经获取
int i = ContextCompat.checkSelfPermission(this, permissions[0]);
// 权限是否已经 授权 GRANTED---授权 DINIED---拒绝
if (i != PackageManager.PERMISSION_GRANTED) {
// 提示用户应该去应用设置界面手动开启权限
showDialogTipUserGoToAppSettting();
} else {
if (dialog != null && dialog.isShowing()) {
dialog.dismiss();
}
Toast.makeText(this, "权限获取成功", Toast.LENGTH_SHORT).show();
}
}
}
}
}