tpandro

import android.app.Activity;
import android.app.admin.DeviceAdminReceiver;
import android.app.admin.DevicePolicyManager;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.Toast;

public class DevicePolicyAdmin extends Activity {

    DevicePolicyManager mDPM; //DEVICE POLICY MANAGER
    ComponentName mDPA; //DEVICE POLICY ADMINISTRATOR
    private CheckBox adminEnabledCheckbox;

    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_device_policy_admin);
        mDPM = (DevicePolicyManager) getSystemService(Context.DEVICE_POLICY_SERVICE);
        mDPA = new ComponentName(this, MyDevicePolicyReceiver.class);
        adminEnabledCheckbox = (CheckBox) findViewById(R.id.checkBox);
    }

    protected void onResume() {
        super.onResume();
        if (isMyDevicePolicyReceiverActive())
            adminEnabledCheckbox.setChecked(true);
        else
            adminEnabledCheckbox.setChecked(false);
        adminEnabledCheckbox.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
            public void onCheckedChanged(CompoundButton buttonView, boolean isChecked){
                if(isChecked){
                    Intent intent = new Intent(DevicePolicyManager.ACTION_ADD_DEVICE_ADMIN);
                    intent.putExtra(DevicePolicyManager.EXTRA_DEVICE_ADMIN, mDPA);
                    intent.putExtra(DevicePolicyManager.EXTRA_ADD_EXPLANATION, "Politique de sécurité");
                    startActivityForResult(intent, 1);
                }else
                    mDPM.removeActiveAdmin(mDPA);
            } });
    }

    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        if (resultCode == RESULT_OK)
            if(requestCode==1){
                mDPM.setMaximumTimeToLock(mDPA, 120000);
                mDPM.setMaximumFailedPasswordsForWipe(mDPA, 5);
                mDPM.setStorageEncryption(mDPA, true);
                mDPM.setPasswordHistoryLength(mDPA, 5);
                mDPM.setPasswordMinimumLength(mDPA, 8);
                mDPM.setPasswordQuality(mDPA, DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED);
                mDPM.setPasswordQuality(mDPA, DevicePolicyManager.PASSWORD_QUALITY_NUMERIC);
                mDPM.setPasswordQuality(mDPA, DevicePolicyManager.PASSWORD_QUALITY_NUMERIC_COMPLEX);
                mDPM.setPasswordQuality(mDPA, DevicePolicyManager.PASSWORD_QUALITY_ALPHABETIC);
                mDPM.setPasswordQuality(mDPA, DevicePolicyManager.PASSWORD_QUALITY_ALPHANUMERIC);
                mDPM.setPasswordQuality(mDPA, DevicePolicyManager.PASSWORD_QUALITY_COMPLEX);
                if(!mDPM.isActivePasswordSufficient()){
                    Intent setPasswordIntent = new Intent(DevicePolicyManager.ACTION_SET_NEW_PASSWORD);
                    startActivityForResult(setPasswordIntent, 2);
                }
            }
        if(resultCode == RESULT_CANCELED)
            if(requestCode==2)
                startActivityForResult(new Intent(DevicePolicyManager.ACTION_SET_NEW_PASSWORD), 2);
    }

    private boolean isMyDevicePolicyReceiverActive() {
        return mDPM.isAdminActive(mDPA);
    }

    public static class MyDevicePolicyReceiver extends DeviceAdminReceiver {

        public void onDisabled(Context context, Intent intent) {
            Toast.makeText(context, "Device Admin Disabled", Toast.LENGTH_SHORT).show();
        }

        public void onEnabled(Context context, Intent intent) {
            Toast.makeText(context, "Device Admin is now enabled", Toast.LENGTH_SHORT).show();
        }

        public CharSequence onDisableRequested(Context context, Intent intent) {
            CharSequence disableRequestedSeq = "Requesting to disable Device Admin";
            return disableRequestedSeq;
        }

        public void onPasswordChanged(Context context, Intent intent) {
            Toast.makeText(context, "Device password is now changed", Toast.LENGTH_SHORT).show();
            DevicePolicyManager localDPM = (DevicePolicyManager) context.getSystemService(Context.DEVICE_POLICY_SERVICE);
            ComponentName localComponent = new ComponentName(context, MyDevicePolicyReceiver.class);
            localDPM.setPasswordExpirationTimeout(localComponent, 30000);
        }

        public void onPasswordExpiring(Context context, Intent intent) {
            Toast.makeText(context, "Device password is going to expire, please change to a new password", Toast.LENGTH_LONG).show();

            DevicePolicyManager localDPM = (DevicePolicyManager) context.getSystemService(Context.DEVICE_POLICY_SERVICE);
            ComponentName localComponent = new ComponentName(context, MyDevicePolicyReceiver.class);
            long expr = localDPM.getPasswordExpiration(localComponent);
            long delta = expr - System.currentTimeMillis();
            boolean expired = delta < 0L;
            if(expired){
                localDPM.setPasswordExpirationTimeout(localComponent, 30000);
                Intent passwordChangeIntent = new Intent(DevicePolicyManager.ACTION_SET_NEW_PASSWORD);
                passwordChangeIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
                context.startActivity(passwordChangeIntent);
            }
        }

        public void onPasswordFailed(Context context, Intent intent) {
            Log.d("TP", "PASS FAILED");
            Toast.makeText(context, "Password failed", Toast.LENGTH_SHORT).show();
        }

        public void onPasswordSucceeded(Context context, Intent intent) {
            Toast.makeText(context, "Access Granted", Toast.LENGTH_SHORT).show();
        }

        public void onReceive(Context context, Intent intent) {
            super.onReceive(context, intent);
        }
    }
}