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Code Issues Projects Releases Wiki Activity

Prevent screenshots (including the Recents menu).

Browse Source 
Thanks to the team that audited CryptoCat for this idea. :-)
This commit is contained in:
akwizgran
2014-04-07 20:33:53 +01:00
parent f489da1a21
commit 639a5e8e76
5 changed files with 14 additions and 0 deletions
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2
briar-android/src/org/briarproject/android/BriarActivity.java
View File

@@ -2,6 +2,7 @@ package org.briarproject.android;
import static android.content.Intent.FLAG_ACTIVITY_NO_ANIMATION; import static android.content.Intent.FLAG_ACTIVITY_NO_ANIMATION;
import static android.content.Intent.FLAG_ACTIVITY_SINGLE_TOP; import static android.content.Intent.FLAG_ACTIVITY_SINGLE_TOP;
import static android.view.WindowManager.LayoutParams.FLAG_SECURE;
import static android.view.inputmethod.InputMethodManager.HIDE_IMPLICIT_ONLY; import static android.view.inputmethod.InputMethodManager.HIDE_IMPLICIT_ONLY;
import java.util.concurrent.Executor; import java.util.concurrent.Executor;
@@ -41,6 +42,7 @@ public class BriarActivity extends RoboActivity {
@Override @Override
public void onCreate(Bundle state) { public void onCreate(Bundle state) {
super.onCreate(state); super.onCreate(state);
getWindow().setFlags(FLAG_SECURE, FLAG_SECURE);
if(databaseConfig.getEncryptionKey() != null) startAndBindService(); if(databaseConfig.getEncryptionKey() != null) startAndBindService();
} }

3
briar-android/src/org/briarproject/android/ExpiredActivity.java
View File

@@ -1,6 +1,7 @@
package org.briarproject.android; package org.briarproject.android;
import static android.view.Gravity.CENTER; import static android.view.Gravity.CENTER;
import static android.view.WindowManager.LayoutParams.FLAG_SECURE;
import static org.briarproject.android.util.CommonLayoutParams.MATCH_MATCH; import static org.briarproject.android.util.CommonLayoutParams.MATCH_MATCH;
import org.briarproject.R; import org.briarproject.R;
@@ -17,6 +18,8 @@ public class ExpiredActivity extends Activity {
public void onCreate(Bundle state) { public void onCreate(Bundle state) {
super.onCreate(state); super.onCreate(state);
getWindow().setFlags(FLAG_SECURE, FLAG_SECURE);
LinearLayout layout = new LinearLayout(this); LinearLayout layout = new LinearLayout(this);
layout.setLayoutParams(MATCH_MATCH); layout.setLayoutParams(MATCH_MATCH);
layout.setGravity(CENTER); layout.setGravity(CENTER);

3
briar-android/src/org/briarproject/android/PasswordActivity.java
View File

@@ -6,6 +6,7 @@ import static android.view.Gravity.CENTER;
import static android.view.Gravity.CENTER_HORIZONTAL; import static android.view.Gravity.CENTER_HORIZONTAL;
import static android.view.View.GONE; import static android.view.View.GONE;
import static android.view.View.VISIBLE; import static android.view.View.VISIBLE;
import static android.view.WindowManager.LayoutParams.FLAG_SECURE;
import static android.view.inputmethod.InputMethodManager.HIDE_IMPLICIT_ONLY; import static android.view.inputmethod.InputMethodManager.HIDE_IMPLICIT_ONLY;
import static android.widget.LinearLayout.VERTICAL; import static android.widget.LinearLayout.VERTICAL;
import static org.briarproject.android.util.CommonLayoutParams.MATCH_MATCH; import static org.briarproject.android.util.CommonLayoutParams.MATCH_MATCH;
@@ -55,6 +56,8 @@ public class PasswordActivity extends RoboActivity {
public void onCreate(Bundle state) { public void onCreate(Bundle state) {
super.onCreate(state); super.onCreate(state);
getWindow().setFlags(FLAG_SECURE, FLAG_SECURE);
SharedPreferences prefs = getSharedPreferences("db", MODE_PRIVATE); SharedPreferences prefs = getSharedPreferences("db", MODE_PRIVATE);
String hex = prefs.getString("key", null); String hex = prefs.getString("key", null);
if(hex == null || !databaseConfig.databaseExists()) { if(hex == null || !databaseConfig.databaseExists()) {

3
briar-android/src/org/briarproject/android/SetupActivity.java
View File

@@ -9,6 +9,7 @@ import static android.view.Gravity.CENTER_HORIZONTAL;
import static android.view.View.GONE; import static android.view.View.GONE;
import static android.view.View.INVISIBLE; import static android.view.View.INVISIBLE;
import static android.view.View.VISIBLE; import static android.view.View.VISIBLE;
import static android.view.WindowManager.LayoutParams.FLAG_SECURE;
import static android.widget.LinearLayout.VERTICAL; import static android.widget.LinearLayout.VERTICAL;
import static java.util.logging.Level.INFO; import static java.util.logging.Level.INFO;
import static org.briarproject.android.util.CommonLayoutParams.MATCH_MATCH; import static org.briarproject.android.util.CommonLayoutParams.MATCH_MATCH;
@@ -74,6 +75,8 @@ public class SetupActivity extends RoboActivity implements OnClickListener {
public void onCreate(Bundle state) { public void onCreate(Bundle state) {
super.onCreate(state); super.onCreate(state);
getWindow().setFlags(FLAG_SECURE, FLAG_SECURE);
LinearLayout layout = new LinearLayout(this); LinearLayout layout = new LinearLayout(this);
layout.setLayoutParams(MATCH_MATCH); layout.setLayoutParams(MATCH_MATCH);
layout.setOrientation(VERTICAL); layout.setOrientation(VERTICAL);

3
briar-android/src/org/briarproject/android/SplashScreenActivity.java
View File

@@ -1,6 +1,7 @@
package org.briarproject.android; package org.briarproject.android;
import static android.view.Gravity.CENTER; import static android.view.Gravity.CENTER;
import static android.view.WindowManager.LayoutParams.FLAG_SECURE;
import static java.util.logging.Level.INFO; import static java.util.logging.Level.INFO;
import static org.briarproject.android.util.CommonLayoutParams.MATCH_MATCH; import static org.briarproject.android.util.CommonLayoutParams.MATCH_MATCH;
@@ -44,6 +45,8 @@ public class SplashScreenActivity extends RoboSplashActivity {
public void onCreate(Bundle state) { public void onCreate(Bundle state) {
super.onCreate(state); super.onCreate(state);
getWindow().setFlags(FLAG_SECURE, FLAG_SECURE);
LinearLayout layout = new LinearLayout(this); LinearLayout layout = new LinearLayout(this);
layout.setLayoutParams(MATCH_MATCH); layout.setLayoutParams(MATCH_MATCH);
layout.setGravity(CENTER); layout.setGravity(CENTER);